Find-on-page sidebar missing in latest Dev and Canary

Just noticed that the 'Use sidebar for find-on-page' function is missing in latest Dev 129.0.2752.4 and Canary 129.0.2772.0 

Also all the flags related to find-on-page are gone in Dev and Canary:

edge://flags/#edge-sidebar-find-on-page

edge://flags/#edge-find-on-page-filters

edge://flags/#edge-related-matches-for-find-on-page

Still present and working on current Stable 127.0.2651.98 though.

I really hope it's only temporary disabled for tracing the 'Sidebar doesn't start automatically' bug! 

Please bring it back soon, I miss this neat feature :'(